Table 1.

Brief summary of the major findings.

Samples	Results
Distant metastases	Genetic diversity overall is high especially in TNBCs
	Genetic diversity indices are similar regardless of the probe used
	Two lesions in the same patients have significantly different diversity in some cases and some probes
	In some cases genetic diversity differs between the two metastatic lesions only in some cell types
	Two lesions in the same patient are frequently phenotypically distinct except in TNBC cases
Matched primary tumors and lymph node metastases	Genetic diversity overall is lower than in distant metastases, especially true in TNBCs
	Genetic diversity indices are similar regardless of the probe used
	Genetic diversity is significantly different in most cases and most probes
	Diversity for 8q24 is lower in some primary TNBCs and higher in the lymph node metastasis
	Diversity for 8q24 is higher in some primary Her2+ tumors and lower in the lymph node metastasis
	Primary and matched lymph node metastasis are phenotypically more similar in most cases